src/java/org/mxchange/jusercore/model/login/PizzaUserLoginSessionBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jusercore.model.login;
  18
  19 import de.chotime.jratecalc.database.BaseRateCalcDatabaseBean;
  20 import java.text.MessageFormat;
  21 import javax.ejb.EJB;
  22 import javax.ejb.Stateless;
  23 import org.mxchange.jusercore.container.login.LoginContainer;
  24 import org.mxchange.jusercore.exceptions.UserNotFoundException;
  25 import org.mxchange.jusercore.exceptions.UserPasswordMismatchException;
  26 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
  27 import org.mxchange.jusercore.exceptions.UserStatusUnconfirmedException;
  28 import org.mxchange.jusercore.model.register.UserRegistrationSessionBeanRemote;
  29 import org.mxchange.jusercore.model.user.User;
  30 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  31 import org.mxchange.jusercore.model.user.UserUtils;
  32 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  33 import org.mxchange.pizzaaplication.database.BasePizzaDatabaseBean;
  34
  35 /**
  36  * A session EJB for user logins
  37  * <p>
  38  * @author Roland Haeder<roland@mxchange.org>
  39  */
  40 @Stateless (name = "login", description = "A bean handling the user login")
  41 public class PizzaUserLoginSessionBean extends BasePizzaDatabaseBean implements UserLoginSessionBeanRemote {
  42
  43         /**
  44          * Serial number
  45          */
  46         private static final long serialVersionUID = 21_785_978_127_581_965L;
  47
  48         /**
  49          * Registration EJB
  50          */
  51         @EJB
  52         private UserRegistrationSessionBeanRemote registerBean;
  53
  54         /**
  55          * User EJB
  56          */
  57         @EJB
  58         private UserSessionBeanRemote userBean;
  59
  60         @Override
  61         public User validateUserAccountStatus (final LoginContainer container) throws UserNotFoundException, UserStatusLockedException, UserStatusUnconfirmedException, UserPasswordMismatchException {
  62                 // Trace message
  63                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("loginUser: container={0} - CALLED!", container)); //NOI18N
  64
  65                 // Check some beans
  66                 assert(this.userBean instanceof UserSessionBeanRemote) : "this.userBean is not set"; //NOI18N
  67                 assert(this.registerBean instanceof UserRegistrationSessionBeanRemote) : "this.registerBean is not set"; //NOI18N
  68
  69                 // user should not be null
  70                 if (null == container) {
  71                         // Abort here
  72                         throw new NullPointerException("container is null"); //NOI18N
  73                 } else if (container.getUser() == null) {
  74                         // NPE again
  75                         throw new NullPointerException("container.user is null"); //NOI18N
  76                 } else if (container.getUserPassword() == null) {
  77                         // And yet again NPE
  78                         throw new NullPointerException("container.userPassword is null"); //NOI18N
  79                 } else if (container.getUserPassword().isEmpty()) {
  80                         // Empty password is not allowed, hardcoded.
  81                         throw new IllegalArgumentException("container.userPassword is empty"); //NOI18N
  82                 }
  83
  84                 // Is the account there?
  85                 if (!this.registerBean.isUserNameRegistered(container.getUser())) {
  86                         // Not registered
  87                         throw new UserNotFoundException(container.getUser());
  88                 }
  89
  90                 // Get user instance from persistance
  91                 User updatedUser = this.userBean.fillUserData(container.getUser());
  92
  93                 // Debug message
  94                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("loginUser: updatedUser={0}", updatedUser)); //NOI18N
  95
  96                 // Is the user account unconfirmed?
  97                 if (updatedUser.getUserAccountStatus().equals(UserAccountStatus.UNCONFIRMED)) {
  98                         // Is unconfirmed
  99                         throw new UserStatusUnconfirmedException(container.getUser());
 100                 } else if (updatedUser.getUserAccountStatus().equals(UserAccountStatus.LOCKED)) {
 101                         // Is locked
 102                         throw new UserStatusLockedException(container.getUser());
 103                 } else if (!this.isPasswordMatching(container, updatedUser)) {
 104                         // Not matcing passwords
 105                         throw new UserPasswordMismatchException(container.getUser());
 106                 }
 107
 108                 // Trace message
 109                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("loginUser: updatedUser={0} - EXIT!", updatedUser)); //NOI18N
 110
 111                 // Return it
 112                 return updatedUser;
 113         }
 114
 115         /**
 116          * Checks if password matches of both instances. Both user instances must
 117          * not match, the first one is the one from the calling bean/controller, the
 118          * second is the from database.
 119          * <p>
 120          * @param container Container instance holding the user instance and
 121          * unencrypted password
 122          * @param updatedUser User instance found for given user name
 123          * <p>
 124          * @return Whether the password matches
 125          */
 126         private boolean isPasswordMatching (final LoginContainer container, final User updatedUser) {
 127                 // First math both instances
 128                 if (null == container) {
 129                         // Throw NPE
 130                         throw new NullPointerException("container is null"); //NOI18N
 131                 } else if (null == updatedUser) {
 132                         // Throw NPE
 133                         throw new NullPointerException("updatedUser is null"); //NOI18N
 134                 } else if (container.getUser().equals(updatedUser)) {
 135                         // Both same instance!
 136                         throw new IllegalArgumentException(MessageFormat.format("container.user matches updatedUser: {0}", container.getUser())); //NOI18N
 137                 }
 138
 139                 // Is it the same same password?
 140                 return UserUtils.ifPasswordMatches(container, updatedUser);
 141         }
 142
 143 }